CVE-2020-8473
CVE-2020-8473 is a high-severity vulnerability in Abb 800xa Base System with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 6.8
- EPSS exploit prediction: 0% (20th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Abb 800xa Base System
- Published:
- Last modified:
Description
Insufficient folder permissions used by system functions in ABB System 800xA Base (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploit the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.
Frequently asked questions
- What is CVE-2020-8473?
- Insufficient folder permissions used by system functions in ABB System 800xA Base (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploit the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.
- How severe is CVE-2020-8473?
- CVE-2020-8473 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-8473 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8473?
- CVE-2020-8473 affects Abb 800xa Base System. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8473?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-8473 published?
- CVE-2020-8473 was published on 2020-04-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:abb:800xa_base_system:*:*:*:*:*:*:*:*
More vulnerabilities in Abb 800xa Base System
- CVE-2020-8474 — High (CVSS 7.8): Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings…
- CVE-2020-8487 — Medium (CVSS 6.6): Insufficient protection of the inter-process communication functions in ABB System 800xA Base (all published versions)…
- CVE-2024-3036 — Medium (CVSS 5.7): Improper Input Validation vulnerability in ABB 800xA Base. An attacker who successfully exploited this vulnerability…
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